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29 lines
570 B
29 lines
570 B
# test thread coordination using a lock object
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#
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# MIT license; Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd
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import _thread
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lock = _thread.allocate_lock()
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n_thread = 10
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n_finished = 0
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def thread_entry(idx):
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global n_finished
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while True:
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with lock:
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if n_finished == idx:
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break
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print("my turn:", idx)
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with lock:
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n_finished += 1
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# spawn threads
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for i in range(n_thread):
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_thread.start_new_thread(thread_entry, (i,))
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# busy wait for threads to finish
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while n_finished < n_thread:
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pass
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